What happens when a wing stalls?

Most general aviation wings stall between 16° and 18°. This is known as the critical angle of attack. As you increase the angle of attack the centre of pressure (bottom of the wing) moves forward. As this happens the boundary layer is unable to follow the contour of the wing and begins to separate from the top of the wing starting at the trailing edge. As the angle of attack continues to increase the centre of pressure continues to move forward and as subsequently the boundary layer continues to separate from the top of the wing moving toward the leading edge. When the maximum lift coefficient is reached the stall occurs and the center of pressure rapidly moves backwards. This causes the nose to pitch down. <div class="fusion-image-element fusion-image-align-center in-legacy-container" style="text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);"> <img width="1000" height="750" alt="The Critical Angle" src="https://www.runup.ca/wp-content/uploads/2020/04/the-critical-angle-of-attack-the-stall-ex-12.jpg" class="img-responsive wp-image-1290" srcset="https://www.runup.ca/wp-content/uploads/2020/04/the-critical-angle-of-attack-the-stall-ex-12-200x150.jpg 200w, https://www.runup.ca/wp-content/uploads/2020/04/the-critical-angle-of-attack-the-stall-ex-12-400x300.jpg 400w, https://www.runup.ca/wp-content/uploads/2020/04/the-critical-angle-of-attack-the-stall-ex-12-600x450.jpg 600w, https://www.runup.ca/wp-content/uploads/2020/04/the-critical-angle-of-attack-the-stall-ex-12-800x600.jpg 800w, https://www.runup.ca/wp-content/uploads/2020/04/the-critical-angle-of-attack-the-stall-ex-12.jpg 1000w" sizes="(max-width: 800px) 100vw, 400px" />

What are the types of Hypoxia?

Q: What are the types of Hypoxia?

Histoxic Hypoxia results when organs are not able to absorb oxygen properly. Such as when under the influence of alcohol. Hypoxic Hypoxia results when there is not enough oxygen in the air. Such as at high altitudes. Anemic Hypoxia results when the blood cannot aborb oxygen and distribute it to different parts or the body. Such as during carbon monoxide poisoning. Stagnant Hypoxia results when blood cannot move through the body freely. Such as during long periods of sitting.

Most general aviation wings stall between 16° and 18°. This is known as the critical angle of attack. As you increase the angle of attack the centre of pressure (bottom of the wing) moves forward. As this happens the boundary layer is unable to follow the contour of the wing and begins to separate from the top of the wing starting at the trailing edge. As the angle of attack continues to increase the centre of pressure continues to move forward and as subsequently the boundary layer continues to separate from the top of the wing moving toward the leading edge. When the maximum lift coefficient is reached the stall occurs and the center of pressure rapidly moves backwards. This causes the nose to pitch down.

Histoxic Hypoxia results when organs are not able to absorb oxygen properly. Such as when under the influence of alcohol.

Hypoxic Hypoxia results when there is not enough oxygen in the air. Such as at high altitudes.

Anemic Hypoxia results when the blood cannot aborb oxygen and distribute it to different parts or the body. Such as during carbon monoxide poisoning.

Stagnant Hypoxia results when blood cannot move through the body freely. Such as during long periods of sitting.

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